Gadwall
Videos
The gadwall is a common and widespread dabbling duck in the family Anatidae.
Gadwall Anas strepera
Gadwall female
Female and male dabbling, Hyde Park, London
Nest lined with feathers
Speculum feathers
Videos
The speculum is a patch, often distinctly coloured, on the secondary wing feathers, or remiges, of some birds.
Gadwall
…average 990 g (35 oz) against her 850 g (30 oz). The breeding male is patterned grey, with a black rear end, light chestnut wings, and a brilliant white speculum, obvious in flight or at rest. In non-breeding (eclipse) plumage, the drake looks more like the female, but retains the male wing pattern, and is usually…
A male mallard. The speculum feathers are bright blue with white edges